AS21523 66.60.80.0/20 CIDR and IP Range Summary.ASN: 21523 - Ellumnet LLCHost Count: 4094Addressable IPs: 409666.60.80.0/2466.60.81.0/2466.60.82.0/2466.60.83.0/2466.60.84.0/2466.60.85.0/2466.60.86.0/2466.60.87.0/2466.60.88.0/2466.60.89.0/2466.60.90.0/2466.60.91.0/2466.60.92.0/2466.60.93.0/2466.60.94.0/2466.60.95.0/24